condition	mean	min	max
4 h after light	7.976625	6.76548	9.18777
8 h after light	9.48019	9.14819	9.81219
12 h after light	6.53808	6.41182	6.66434
4 h after dark	12.27735	12.0706	12.4841
8 h after dark	8.765564999999999	8.33035	9.20078
12 h after dark	8.015335	7.44873	8.58194